High-temperature composting method and technology in summer

High-temperature composting is one of the main contents of implementing the “fertile soil project” to improve soil fertility, and is an important way to return straw to the field. High-temperature fertilizer has a wide range of materials, simple, easy to clean the environment, reduce pollution, improve soil, fertility, low cost, nutrient all advantages, welcomed by farmers friends. At present, it has entered the summer high temperature and rainy season, it is the favorable opportunity for high-temperature accumulation. Whether or not this key link can be grasped will affect the overall situation of the organic fertilizer work in the county. Therefore, all villages should step up their actions and make full use of organic materials such as wheat straw, wheat bran, weeds, and deciduous leaves, and adopt effective methods. Using a variety of forms, widely publicized and launched, quickly set off high-temperature compost climax.
I. High-temperature compost technology
1. Ground composting method: Select a place that is close to the water source and convenient for transportation. The size of the fertilizer pile depends on the site and the material. First, ground the ground, then spread a layer of dry fine soil on the bottom, and spread it on the ground. The layer of uncut corn stalks serves as a ventilated bed (thickness about 26 cm), then layers the material in bed, each layer is about 20 cm thick, and pours layer by layer into the human excrement (more on the lower side) to ensure the heap Within the ventilation, insert a wooden stick vertically at a certain distance before stacking so that the underside is in contact with the ground. After the stack is completed, remove the wooden stick. The remaining holes serve as ventilation holes. The composting materials include straw, human and animal waste, and fine soil. The ratio is 3:2:5. Adding 2-5% calcium magnesium phosphate fertilizer mixture to the batching can reduce the amount of phosphorus and increase the efficiency of calcium, magnesium, and phosphate fertilizers. After mixing according to the proportion of fertilizers, adjust the moisture to 50% of the wet weight. Generally, it is advisable to use drops of the hand material. Dig 30 cm deep and 30 cm wide around the fertilizer heap to prevent soil from growing around. Loss of manure fluid. Finally, with a mud heap of 3-5 centimeters or so, after 2-8 days of stacking, the temperature rises significantly and the heap gradually sinks. When the temperature in the heap slowly falls, it is turned and the edges are not well-marginated. The internal materials are evenly mixed and re-piled. If white mycelium is found in the material, add water in appropriate amounts and then re-close it with mud. When it is half-ripe, it should be sealed tightly and used.
The signs of compost maturity: When the crop is completely decomposed, the color of the crop stalks is dark brown to dark brown, the stalks are very soft or mixed, the plant residues are not obvious, and the compost is squeezed out of the juice by hand to filter out colorless odors. .
2, fast rot composting method: the use of a variety of straw manure and other waste, add a certain amount of "fast decay agent" to regulate nutrition, inoculation of fermented microbial agents for high temperature composting. Generally every cubic meter of wheat straw (65-70 kg) needs 0.5 kg of bacteria, 0.5 kg of urea, and piled on flat ground. Dig 15-2 meters wide and 0.3 meters deep at the bottom of the site. The length is not limited. Within the stack of wheat straw and water, 1 kg of wheat straw should be added with more than 2 kg of water. When stacking 0.6-0.7 meters high, first spread a layer of urea, as far as possible to spread evenly, the amount is half of the total amount, the second layer of 0.4-0.5 meters high, the remaining bacteria and urea and all the same, and then heap The third layer is 0.3-0.4 meters high, artificially practical, plus enough water, and finally take the surrounding mud tightly sealed heap, 7-10 days fat heap uniform collapse, such as collapse is uneven, should be added in the prominent part of the water, 30 days after wheat straw dark brown Or muddy, that is composting compost.

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